Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]

Andrew Morton
2007-12-08T10:12:23Z

On Sat, 8 Dec 2007 10:30:39 +0100 Ingo Molnar <mingo@elte.hu> wrote:

>
> * Rafael J. Wysocki <rjw@sisk.pl> wrote:
>
> > Subject : tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> > Submitter : Ingo Molnar <mingo@elte.hu>
> > References : http://lkml.org/lkml/2007/11/29/157
> > http://bugzilla.kernel.org/show_bug.cgi?id=9497
> > Handled-By : Matt Mackall <mpm@selenic.com>
> > Patch : http://lkml.org/lkml/2007/11/29/387
>
> Matt, the above bug is still occuring en masse during random bootups:
>
> [ 67.828312] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> [ 41.270905] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> [ 82.378714] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> [ 35.308126] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> [ 35.484155] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
>
> and the patch does not seem to be upstream yet.
>

err, umm, OK, I'll go hunt it down and take a closer look at it.